20199936

素因数分解:

$2^9\times 3^1\times {\mathrm{13151}}^1$

素因数の和:13172

約数の個数: 40

約数和(自身を含む): 53817984

約数和(自身を除く): 33618048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13151, 26302, 39453, 52604, 78906, 105208, 157812, 210416, 315624, 420832, 631248, 841664, 1262496, 1683328, 2524992, 3366656, 5049984, 6733312, 10099968, 20199936]

約数ペア:

[(1, 20199936), (2, 10099968), (3, 6733312), (4, 5049984), (6, 3366656), (8, 2524992), (12, 1683328), (16, 1262496), (24, 841664), (32, 631248), (48, 420832), (64, 315624), (96, 210416), (128, 157812), (192, 105208), (256, 78906), (384, 52604), (512, 39453), (768, 26302), (1536, 13151)]